専門チームのご紹介

A/B Testing Specialist

A/Bテスト専門家

Kenichi is a seasoned A/B testing specialist with 12 years of experience designing and executing multivariate experiments for enterprise SaaS platforms. Based in Tokyo since 2015, he has helped over 40 companies across Japan improve their conversion rates by an average of 35%. Previously at Google and Mercari, Kenichi pioneered statistical testing frameworks that are now industry standards in the Asia-Pacific region.

Analytics & Tracking Expert

アナリティクス・トラッキング専門家

Sarah is a data-driven analytics expert with 10 years of experience building comprehensive tracking architectures for e-commerce and fintech brands. She relocated to Tokyo in 2018 and has since implemented analytics solutions for MUFG Bank, LINE, and multiple Marunouchi-based startups. Her custom GA4 migration frameworks have saved clients an estimated $2M in lost tracking data.

Competitive Analysis Strategist

競合分析ストラテジスト

Takuya is a competitive intelligence strategist with 8 years of experience mapping market landscapes and identifying strategic opportunities for SaaS and marketplace businesses. A Tokyo native, he has conducted competitive analyses for Rakuten (pre-Amazon acquisition), Uber Eats Japan, and numerous Series A-C startups. His frameworks for competitive positioning have been featured in Harvard Business Review Japan.

Content Strategy Director

コンテンツ戦略ディレクター

Misaki is a bilingual content strategy director with 14 years of experience crafting editorial calendars and content ecosystems for luxury, hospitality, and fintech brands. Based in Osaka, she previously led content operations at NTT Docomo and Mitsui Fushosan, growing organic traffic by 280% over 18 months. She specializes in Japanese-English content localization strategies that resonate across APAC markets.

Senior Copy Editor

シニアコピーエディター

Raj is a meticulous senior copy editor with 9 years of experience refining marketing copy, long-form content, and brand messaging for technology companies. Based in Tokyo since 2017, he has edited over 5,000 pieces of content for brands including Mercari, SoftBank, and Amazon Asia-Pacific. His editorial standards and style guides have become the internal benchmark for multiple Japan-based agencies.

Conversion Copywriter

コンバージョンコピーライター

Yuko is a conversion-focused copywriter with 7 years of experience writing high-impact landing pages, ad copy, and email sequences that consistently outperform industry benchmarks. Based in Yokohama, she has written copy for LINE, MUFG Bank, and over 30 e-commerce brands in the APAC. Her landing page rewrites have generated over JPY 15M in attributable revenue for her clients.

Email Marketing Architect

メールマーケティングアーキテクト

James is an email marketing architect with 11 years of experience designing automated nurture sequences, drip campaigns, and lifecycle email programs for B2B and D2C brands. He moved to Tokyo in 2016 and has since built email systems for Shopify Asia-Pacific merchants, NTT Docomo, and multiple Tokyo-based fintech startups. His segmentation strategies have delivered average open rate improvements of 42%.

Form Optimization Specialist

フォーム最適化スペシャリスト

Sawa is a form optimization specialist with 6 years of experience redesigning lead capture forms, checkout flows, and multi-step wizards to maximize completion rates. Based in Osaka, she has optimized forms for Uber Eats Japan, Mitsui Fushosan, and several government digital services portals. Her form redesigns have increased submission rates by an average of 67% across 50+ projects.

Growth Tool Strategist

グロースツールストラテジスト

Yohei is a growth tool strategist with 10 years of experience designing free tools, calculators, and interactive widgets that drive organic acquisition and product-led growth. A Yokohama native, he has built viral tools for Rakuten, LINE, and SoftBank that collectively generated over 2M organic visits. His freemium strategy frameworks are taught at the American University of Yokohama.

Product Launch Strategist

プロダクトローンチストラテジスト

Elena is a product launch strategist with 13 years of experience orchestrating go-to-market campaigns for tech products, mobile apps, and SaaS platforms. Based in Tokyo since 2014, she has led successful launches for Mercari, Amazon Asia-Pacific, and multiple GITEX award-winning startups. Her structured launch playbooks have driven first-week adoption rates 3x above industry averages.

Creative Marketing Director

クリエイティブマーケティングディレクター

Makoto is a creative marketing director with 15 years of experience ideating and executing innovative marketing campaigns across digital, experiential, and guerrilla channels. A lifelong Osaka resident, he has led creative campaigns for NTT Docomo, Mitsui Fushosan, and MUFG Bank that won multiple ACC Awards. His brainstorming methodologies have generated over 200 campaign concepts adopted by Fortune 500 clients.

Behavioral Marketing Expert

行動マーケティング専門家

Priya is a behavioral marketing expert with 8 years of experience applying psychological principles, cognitive biases, and persuasion frameworks to digital marketing strategies. Based in Tokyo since 2019, she has consulted for LINE, Mercari, and multiple luxury retail brands across the APAC. Her psychology-driven campaigns have improved customer engagement metrics by an average of 55% for her clients.

Onboarding Optimization Lead

オンボーディング最適化リード

Sho is an onboarding optimization lead with 11 years of experience redesigning user onboarding flows to reduce churn and accelerate time-to-value for SaaS and mobile applications. A Tokyo native, he has transformed onboarding experiences for Mercari, Uber Eats Japan, and MUFG Bank Digital, achieving an average 48% reduction in onboarding drop-off rates. His data-driven approach to activation metrics is regularly cited in regional product conferences.

Landing Page Optimizer

ランディングページオプティマイザー

Lisa is a landing page optimization expert with 9 years of experience designing and testing high-converting landing pages for e-commerce, SaaS, and lead generation campaigns. Based in Tokyo since 2018, she has optimized landing pages for Amazon Asia-Pacific, LINE, and over 60 performance marketing campaigns. Her systematic approach to page CRO has generated an average 72% lift in conversion rates across her portfolio.

Paid Advertising Director

広告運用ディレクター

Daiki is a paid advertising director with 13 years of experience managing multi-million dollar ad budgets across Google, Meta, TikTok, and Snapchat for enterprise clients. Based in Osaka, he has directed paid media strategies for NTT Docomo, MUFG Bank, and Mitsui Fushosan with combined annual ad spends exceeding $15M. His ROAS optimization techniques have consistently delivered 4-7x returns for his clients.

Monetization Specialist

マネタイゼーション専門家

Maria is a monetization specialist with 8 years of experience optimizing paywall designs, upgrade flows, and subscription conversion funnels for SaaS and media companies. Based in Tokyo since 2020, she has transformed monetization strategies for multiple Asia-Pacific-based streaming platforms and fintech apps. Her paywall optimization work has increased premium conversion rates by an average of 85% across 35+ projects.

Popup & Modal Optimizer

ポップアップ・モーダル最適化

Ryo is a popup and modal optimization specialist with 6 years of experience designing exit-intent popups, lead capture overlays, and promotional modals that convert without annoying users. Based in Yokohama, he has implemented popup strategies for Uber Eats Japan, Rakuten, and over 40 e-commerce brands in Japan. His user-centric popup designs have captured over 500K email leads while maintaining a below-average bounce rate increase.

Pricing Strategy Consultant

価格戦略コンサルタント

Anna is a pricing strategy consultant with 12 years of experience designing pricing models, conducting willingness-to-pay research, and optimizing pricing pages for SaaS and subscription businesses. Based in Tokyo since 2017, she has restructured pricing for LINE, Mercari, and several Marunouchi-based fintech companies. Her value-metric pricing redesigns have increased average revenue per user by 40-65% for her clients.

Product Marketing Manager

プロダクトマーケティングマネージャー

Takashi is a product marketing manager with 10 years of experience bridging the gap between product development and go-to-market execution for B2B and B2C technology companies. Based in Osaka, he has led product marketing at Mercari, SoftBank, and several high-growth Japan startups. His positioning frameworks and competitive battle cards have been credited with winning over $50M in enterprise deals.

Programmatic SEO Engineer

プログラマティックSEOエンジニア

Wei is a programmatic SEO engineer with 7 years of experience building scalable, template-driven page generation systems that capture long-tail search traffic at scale. Based in Tokyo since 2021, he has built pSEO systems for LINE, Rakuten, and multiple Japan real estate portals that collectively generate over 5M monthly organic sessions. His technical approach combines Next.js, headless CMS, and schema automation.

Referral & Viral Growth Lead

リファラル・バイラルグロースリード

Reina is a referral and viral growth lead with 9 years of experience designing referral programs, viral loops, and ambassador strategies that turn customers into acquisition channels. A Tokyo native, she built the referral engine for Mercari that generated over 2M new rider sign-ups and consulted on loyalty programs for Mitsui Fushosan and NTT Docomo. Her double-sided incentive frameworks are considered best-in-class in the Asia-Pacific tech ecosystem.

Technical SEO & Schema Expert

テクニカルSEO・スキーマ専門家

David is a technical SEO and schema markup expert with 10 years of experience implementing structured data, rich snippets, and knowledge graph optimizations for enterprise websites. Based in Tokyo since 2019, he has implemented schema strategies for Amazon Asia-Pacific, LINE, and several Japan government portals. His schema implementations have increased organic CTR by an average of 30% and earned featured snippets for over 10,000 search queries.

SEO Audit Specialist

SEO監査スペシャリスト

Chihiro is an SEO audit specialist with 8 years of experience conducting technical, on-page, and off-page SEO audits for enterprise websites with 100K+ pages. Based in Yokohama, she has audited and remediated SEO issues for NTT Docomo, Mitsui Fushosan, and several Japan-based e-commerce platforms. Her comprehensive audit methodology has uncovered and resolved issues that led to average organic traffic increases of 120% within six months.

Signup Flow Optimizer

サインアップフロー最適化

Thomas is a signup flow optimization expert with 7 years of experience redesigning registration funnels, reducing friction, and implementing progressive profiling for SaaS and marketplace platforms. Based in Osaka since 2020, he has optimized signup flows for Mercari, Uber Eats Japan, and multiple Japan fintech startups. His micro-interaction improvements and social login integrations have increased signup completion rates by an average of 58%.

Social Media Content Lead

ソーシャルメディアコンテンツリード

Aya is a social media content lead with 5 years of experience creating viral social strategies, short-form video content, and community engagement programs for brands across the APAC. Based in Tokyo, she has managed social content for MUFG Bank, LINE, and multiple luxury fashion brands with combined followings exceeding 5M. Her TikTok and Instagram Reels strategies have consistently achieved engagement rates 3x above platform benchmarks.

Senior Python Developer

シニアPythonデベロッパー

Yuta is a senior Python developer with 11 years of experience building data pipelines, RESTful APIs, and machine learning services for enterprise clients. Based in Shibuya since 2016, he has delivered backend systems for Mercari, TEPCO Smart Grid, and multiple Marunouchi-based fintech platforms. His microservices architectures handle over 50M API calls daily across production workloads.

React & Frontend Architect

React・フロントエンドアーキテクト

Saori is a frontend architect with 9 years of experience specializing in React, Next.js, and design systems. A Japanese native based in Osaka, she has built customer-facing applications for First Osaka Bank, NTT Docomo Digital, and Station F Tokyo startups. Her component libraries are used across 12 production applications serving millions of users in the APAC.

Node.js Backend Engineer

Node.jsバックエンドエンジニア

Lucas is a senior Node.js engineer with 10 years of experience building scalable real-time systems, payment gateways, and event-driven architectures. Based in Shinagawa since 2017, he has built core payment infrastructure for LINE Payments, Uber Eats Japan, and a Minato-based crypto exchange. His systems process over JPY 2 billion in annual transaction volume.

AI & Machine Learning Engineer

AI・機械学習エンジニア

Ayano is an AI engineer with 8 years of experience building NLP models, computer vision systems, and recommendation engines for enterprise applications. A Japanese native based in Osaka, she previously worked at Preferred Networks and RIKEN AIP, contributing to national-scale AI initiatives. She holds a PhD in Computer Science from University of Tokyo (University of Tokyo AI Lab) and has published 15 papers in top-tier conferences.

Senior DevOps & Cloud Engineer

シニアDevOps・クラウドエンジニア

Keisuke is a DevOps engineer with 12 years of experience designing CI/CD pipelines, Kubernetes clusters, and cloud infrastructure for high-traffic platforms. Based in Shibuya, he has managed infrastructure for Rakuten (pre-Amazon acquisition), LINE, and ANA digital services. His Terraform modules and GitOps workflows reduced deployment times from hours to under 5 minutes across 200+ microservices.

Full-Stack Developer

フルスタックデベロッパー

Emma is a full-stack developer with 7 years of experience building end-to-end web applications using React, Node.js, and PostgreSQL. Based in Yokohama, she has delivered platforms for Yokohama Free Trade Zone clients, American University of Yokohama projects, and multiple e-commerce startups. Her Yokohama Innovation Hub-incubated startup won the Yokohama Digital Innovation Award in 2024.

Mobile App Developer

モバイルアプリデベロッパー

Yuto is a mobile app developer with 9 years of experience building native iOS and Android applications as well as cross-platform solutions using React Native and Flutter. Based in Tokyo, he has built mobile apps for Uber Eats Japan, Tokyo Tourism, and multiple Marunouchi fintech startups. His apps have been downloaded over 5 million times and maintain 4.7+ star ratings across both stores.

Senior UX/UI Designer

シニアUX/UIデザイナー

Natsumi is a UX/UI designer and frontend developer with 8 years of experience creating human-centered digital products. Based in Roppongi, she has designed award-winning interfaces for MUFG Bank Mobile, Mitsui Fushosan loyalty apps, and several Tokyo Digital Government portals. Her bilingual Japanese-English design systems are used by over 20 organizations across the APAC.

AWS Cloud Architect

AWSクラウドアーキテクト

Naoki is an AWS cloud architect with 13 years of experience designing enterprise-grade cloud infrastructures, serverless architectures, and multi-region disaster recovery solutions. Based in Osaka, he has architected cloud platforms for JERA Digital, SoftBank Vision Fund ventures, and Tokyo Digital Agency. His cost-optimization strategies have saved clients over $4M annually in cloud spending.

TypeScript & Angular Developer

TypeScript・Angularデベロッパー

Mayu is a TypeScript specialist with 7 years of experience building large-scale enterprise applications using Angular and NestJS. Based in Nagoya, she has delivered platforms for Japan Post, NTT Data, and government e-services portals. Her strongly-typed architectures reduced production bugs by 60% and accelerated onboarding of new developers across multiple teams.

Java Enterprise Architect

Javaエンタープライズアーキテクト

Jun-ho is a Java enterprise architect with 14 years of experience building mission-critical systems for banking, insurance, and government sectors. Based in Tokyo, he has led technical architecture for MUFG Bank core banking, Tokyo Health Authority systems, and Tokyo Courts digital platform. His Spring Boot microservices handle over 100M transactions monthly with 99.99% uptime.

SEO & Content Marketing Lead

SEO・コンテンツマーケティングリード

Mei-Lin is an SEO and content marketing lead with 10 years of experience driving organic growth for SaaS, e-commerce, and hospitality brands in the APAC. Based in Tokyo, she has led SEO transformations for Property Finder, Dubizzle, and multiple Minato-based startups, growing aggregate organic traffic from 200K to over 5M monthly sessions. She specializes in Japanese-English multilingual SEO strategies.

Data Science & Analytics Engineer

データサイエンス・アナリティクスエンジニア

Alex is a data science engineer with 8 years of experience building predictive models, data warehouses, and business intelligence dashboards for enterprise organizations. Based in Osaka, he has delivered analytics platforms for JERA, Osaka Ports, and Aldar Properties. His demand-forecasting models saved JERA an estimated $12M in inventory optimization costs.

Product Designer & Design Systems Lead

プロダクトデザイナー・デザインシステムリード

Sophie is a product designer with 10 years of experience leading end-to-end design for fintech, health-tech, and e-commerce platforms. Based in Tokyo since 2018, she built the design system for Mercari Super App and led UX redesigns for du Pay and multiple Marunouchi-based startups. Her user research methodologies are taught at in5 Tech design workshops. She bridges design and code fluently.

Blockchain & Web3 Developer

ブロックチェーン・Web3デベロッパー

Ji-yeon is a blockchain developer with 6 years of experience building smart contracts, DeFi protocols, and tokenization platforms. Based in Fukuoka, she has built Web3 products for Fukuoka DAO member companies, Minato-based crypto exchanges, and a Marunouchi-regulated digital asset custodian. Her Solidity smart contracts secure over $200M in total value locked across multiple DeFi protocols.